Penelitian ini bertujuan untuk mengetahui kelayakan LKS berbasis concept attainment model dalam melatih kemampuan berpikir analitis. Penelitian ini merupakan jenis penelitian dan pengembangan. Model pengembangan menggunakan model Dick and Carey. Sampel pada penelitian ini adalah siswa-siswi kelas VII-G SMP N 1 Arosbaya. Desain penelitian yang digunakan adalah One Shot Case Study. Berdasarkan hasil penelitian menunjukkan bahwa Keterlaksanaan Pembelajaran memperoleh skor 94,20% dan Respon siswa terhadap LKS mendapatkan skor 85,35%. Sebesar 87,30% siswa memberikan respon positif terhadap LKS berbasis concept attainment model dapat melatih kemampuan berpikir analitis.

The aims of this research were to know the feasibility of Student Worksheet based on concept attainment model in train analytical thinking skill. The type of this research is a research and development. The development model used Dick and Carrey model. The research was conducted at the students of the class VII G in SMP N 1 Arosbaya. The research design was used One Shot Case Study. Learning Implementation got a score of 94.20% and Student Response to Student Worksheet got a score of 85.35%. student’s gave a positive response of 87,30% on the use of Student Worksheet to train analytical thinking skill.

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